@article{Ware Jr.1996, author = {Ware Jr., J.E. and Kosinski, M. and Keller, S.D.}, title= {A 12-Item Short-Form Health Survey: Construction of scales and preliminary tests of reliability and validity}, year = {1996}, doi = {10.1097/00005650-199603000-00003}, journal = {Medical Care}, volume = {34}, number = {3}, pages = {220--233}, }